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EPTIS factsheet 135145 | Last revision 2023-06-29 | URL: https://www.eptis.bam.de/pts135145 https://www.eptis.bam.de/pts135145

PT provider
PT provider Marije Keizers Marije Keizers
Based in Netherlands
Language(s) English
Remarks Please feel free to contact me if you have a request for a test or test method or for further information.
Product groups Building and construction
Civil engineering (roads etc)
Testing fields Analytical chemistry
Non-destructive testing (NDT)
Technical details
Test item Tested property Testing method
Bituminous mixture Affinity between aggregate and bitumen EN 12697-11
Bitumen EN 12697-1, -2, -5, -6, -8
Bitumen number EN 13179-2
Cement Chemical properties EN 196-2 (Chloride, Sulfate)
Concrete, hardened Mechanical and physical properties EN 12390-3/7, -5, -6, -8
Mortar Mechanical properties EN 1015-11 (Flexural and compressive strength)
Sludge Dry residue and water content EN 12880 (Heating ovens)
Concrete paving blocks Geometrical, mechanical and physical properties EN 1338-E, G, -I
Natural stone Mechanical properties EN 1926
EN 12372
Bitumen and bituminous binders Mechanical and physical properties EN 1426 (Needle penetration)
EN 1427 (Ring and Ball)
Unbound and hydraulically bound mixtures Physical properties EN 13286-2 (Proctor compaction)
Aggregates Thermal and weathering properties EN 1367-3-5 (Boiling test for "Sonnenbrand basalt")
Mechanical and physical properties EN 1097-1, -2, -3, -4, -5, -6, -7, -8
Geometrical, mechanical and physical properties EN 933-1, -3, -4, -5, -6, 7-, 9, -10, -11
Chemical properties EN 1744-1
And many more.
List available on request
Aims of the PT scheme
Target group of participants Laboratories with a high level of quality awareness that want to participate in an independent and global proficiency testing scheme and for laboratories with ISO/IEC 17025 accreditation.
Linked to specific legislation / standards
Additional, subsidiary aims
Number of participants
Accredited or otherwise reviewed by a 3rd party
Operation is commissioned / requested by
Fees and frequency
Participation fee Available on request and every year a inviation will be send.
Regularly operated Yes (ones a year (Invitation and submitting before April))
Year of first operation 2009
Contact details of the PT provider
Provider Contact person
Marije Keizers
Wilmersdorf 50

Phone: +31 88-562 2578
Fax: +31 88-562 2511
Web: http://www.kiwa-koac.com http://www.kiwa-koac.com
Ms. Marije Keizers
Phone: +31 88 562 2561
Fax: +31 88 562 2511
Email: marije.keizers@kiwa.com marije.keizers@kiwa.com
If you find any mistakes please contact the responsible EPTIS coordinator in Netherlands, Mr Peter van Otterloo. Mr Peter van Otterloo.
Any questions or problems? Please contact us at eptis@bam.de.
Application version: 1.23-SNAPSHOT.20230502124635-7925ae379a631fc1ececff45d2921c8db38877d5